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Flow and jam of granular particles in a two-dimensional hopper

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  • To, Kiwing
  • Lai, Pik-Yin
  • Pak, H.K

Abstract

The jamming phenomenon of granular flow of mono-disperse disks in a two-dimensional hopper is studied experimentally. When the opening of the hopper d is small, jamming occurs due to formation of an arch at the hopper opening. The jamming probability as a function of the hopper opening width is measured which show a sharp decrease at some range of d. By observing the disk configurations of the arch in the jamming events, the jamming probability can be explained quantitatively using a restricted random walker model. The average horizontal and vertical spans of the jamming arch are calculated from the restricted random walk model which compares favorably with experiments.

Suggested Citation

  • To, Kiwing & Lai, Pik-Yin & Pak, H.K, 2002. "Flow and jam of granular particles in a two-dimensional hopper," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 315(1), pages 174-180.
    • Handle: RePEc:eee:phsmap:v:315:y:2002:i:1:p:174-180
    DOI: 10.1016/S0378-4371(02)01237-2
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    Keywords

    Granular flow; Jamming;

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